| 8355526 |
Digitally watermarking holograms |
Hugh L. Brunk, J. Scott Carr, Geoffrey B. Rhoads, Neil E. Lofgren |
2013-01-15 |
| 7684623 |
Pattern recognition of objects in image streams |
Lance Lixin Shen, Clayton L. Davidson |
2010-03-23 |
| 7587066 |
Method for detecting fraud in a value document such as a check |
Robert A. Cordery, Bertrand Haas, Hongmei Gou |
2009-09-08 |
| 7561714 |
Reversible watermarking |
Jun Tian |
2009-07-14 |
| 7502759 |
Digital watermarking methods and related toy and game applications |
Brett T. Hannigan, Ravi K. Sharma, Phillip Andrew Seder, Tony F. Rodriguez, Andrew Evan Klonsky |
2009-03-10 |
| 7151854 |
Pattern recognition of objects in image streams |
Lance Lixin Shen, Clayton L. Davidson |
2006-12-19 |
| 7054461 |
Authenticating printed objects using digital watermarks associated with multidimensional quality metrics |
Claude Zeller, Donald G. Mackay, William Kilmartin, Robert A. Cordery, William A. Brosseau +2 more |
2006-05-30 |
| 7020303 |
Feature-based watermarks and watermark detection strategies |
Kenneth L. Levy |
2006-03-28 |
| 6882737 |
Digitally watermarking holograms for identity documents |
Neil E. Lofgren, Hugh L. Brunk, J. Scott Carr |
2005-04-19 |
| 6782115 |
Watermark holograms |
Hugh L. Brunk, J. Scott Carr, Geoffrey B. Rhoads |
2004-08-24 |
| 6714683 |
Wavelet based feature modulation watermarks and related applications |
Jun Tian |
2004-03-30 |
| 6683966 |
Watermarking recursive hashes into frequency domain regions |
Jun Tian, Hugh L. Brunk |
2004-01-27 |
| 6608911 |
Digitally watermaking holograms for use with smart cards |
Neil E. Lofgren, Hugh L. Brunk, J. Scott Carr |
2003-08-19 |
| 4504880 |
Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly |
Mark A. Church |
1985-03-12 |
